Oil lubrication return control mechanism

Abstract

The utility model provides a kind of thin oil lubrication oil return control mechanism, including tee, return pipe connector is installed in tee one end, two first oil return hoses are connected and communicated with the two ends of tee not installing return pipe connector respectively, two solenoid valves are installed in the one end of two first oil return hoses away from tee respectively, two second oil return hoses are connected and communicated with the one end of two solenoid valves away from first oil return hose respectively, oil collecting box is connected with the valve body part in one solenoid valve by connecting piece, the utility model has the beneficial effects as follows: prevent thin lubricating oil from falling randomly when solenoid valve is disassembled.

Description

Technical Field

[0001] This utility model is a thin oil lubrication return control mechanism, belonging to the field of lubrication oil systems. Background Technology

[0002] In thin oil lubrication systems, oil return control is a crucial element for maintaining stable system operation, its function spanning the entire process of lubricant circulation, equipment lubrication assurance, and system risk prevention. Precise control of the oil return process not only enables efficient recovery and recycling of lubricant, preventing waste, but also ensures that lubricant is delivered in a stable state to lubrication points such as gearboxes and bearing housings, forming a continuous and reliable lubricating film, reducing friction and wear between equipment components. Simultaneously, filtration and other methods intercept impurities in the returned oil, preventing contaminants from re-entering the equipment and causing damage to precision components or system blockages. Ultimately, this achieves closed-loop management of oil recovery, filtration purification, and circulating lubrication, providing a fundamental guarantee for the long-term operation of various industrial equipment.

[0003] In the specific implementation of oil return control, a solenoid valve is often installed between two oil return hoses to flexibly adjust the opening and closing of the oil return path. The valve core is controlled by an electromagnetic signal to quickly open or close the oil return channel, adapting to the oil return needs of different equipment operating conditions. This method is convenient and responsive. However, this connection method presents significant maintenance challenges when the solenoid valve malfunctions and needs disassembly, repair, or replacement. Because the solenoid valve is directly connected to the oil return hose, and thin lubricating oil remains in both the oil return line and the solenoid valve body during system operation, this residual lubricating oil becomes unrestrained and drips indiscriminately from the interface when the solenoid valve needs to be separated from the oil return hose. This not only contaminates the surrounding equipment surface and the working environment but may also cause safety hazards due to oil seepage into electrical components or increase maintenance costs due to oil waste. Furthermore, the dripping lubricating oil requires additional manpower for cleaning, affecting maintenance efficiency, damaging the clean working environment, and causing numerous inconveniences for on-site maintenance work. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a thin oil lubrication return control mechanism to solve the problems mentioned in the background technology. This utility model prevents thin lubricating oil from dripping randomly when disassembling the solenoid valve.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a thin oil lubrication return oil control mechanism, comprising: T-shaped pipe; The return pipe connector is installed at one end of the tee pipe; The first return oil hose is provided in two parts, and the two first return oil hoses are respectively connected to the two ends of the tee pipe without the return pipe joint installed; There are two solenoid valves, which are respectively installed at the ends of the two first return oil hoses away from the tee pipe. There are two second return oil hoses. The two second return oil hoses are respectively connected to the ends of the two solenoid valves that are away from the first return oil hose. The oil collection box is connected to the valve body of a solenoid valve via a connector.

[0006] Furthermore, the connector includes a lower semi-circular ring, and a valve body portion of the solenoid valve is fitted with the lower semi-circular ring. An upper semi-circular ring is provided on the upper side of the lower semi-circular ring to cooperate with the lower semi-circular ring. The upper semi-circular ring is fitted on the valve body portion of the solenoid valve. The two ends of the upper semi-circular ring are respectively connected to the two ends of the lower semi-circular ring by bolts. A hanging plate is fixedly connected to the outer surface of the lower semi-circular ring, and the lower end of the hanging plate is fixedly connected to the oil collection box.

[0007] Furthermore, both ends of the upper semicircular ring are connected and fixed with upper support ears, and both ends of the lower semicircular ring are connected and fixed with lower support ears, with the upper support ears connected to the lower support ears by bolts.

[0008] Furthermore, two clamping plates are symmetrically installed on the upper surface of the oil collection box. A notch is provided at the upper part of one side of the clamping plate, and the end of the first return oil hose near the solenoid valve and the end of the second return oil hose near the solenoid valve are respectively inserted into the two notches.

[0009] Furthermore, two protrusions are installed on the back of both clamping plates. The two protrusions on one clamping plate are symmetrically arranged about the notch. A screw hole is opened on one side of the protrusion, and a limit screw is connected to the screw hole through the internal thread.

[0010] Furthermore, both ends of the first return hose are equipped with first threaded connectors, and both ends of the second return hose are equipped with second threaded connectors. The diameters of the first threaded connectors and the second threaded connectors are both greater than the width of the notch.

[0011] Furthermore, an oil drain pipe is installed at the bottom of the oil collection box, and a threaded cap is threadedly connected to the lower end of the oil drain pipe.

[0012] Furthermore, two connecting posts are installed on the outer surface of the valve body of the solenoid valve, and a connecting seat is provided on one side of the valve body of the solenoid valve, and the connecting seat is connected to the connecting seat by screws.

[0013] Furthermore, a positioning plate is fitted onto the reflux pipe connector, and fixing holes are provided at the four corners on one side of the positioning plate. Clamping nuts are provided on both sides of the positioning plate, and the clamping nuts are threadedly connected to the reflux pipe connector.

[0014] The beneficial effects of this utility model are: The oil collection box is fixed to the valve body of the solenoid valve by upper and lower semi-circular rings, and is located directly below the interface between the solenoid valve and the first and second return oil hoses. When the solenoid valve malfunctions and needs to be disassembled, any residual thin lubricating oil in the first and second return oil hoses, or oil remaining in the solenoid valve body, will naturally flow into the oil collection box along the interface. This prevents oil from dripping and contaminating the equipment surface, the ground, or seeping into electrical components, thus solving the environmental mess and safety hazards caused by traditional disassembly methods, while also reducing oil waste and lowering maintenance costs. Attached Figure Description

[0015] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings: Figure 1 This is a schematic diagram of the structure of a thin oil lubrication return oil control mechanism according to the present invention; Figure 2 This is a perspective view of a thin oil lubrication return oil control mechanism according to the present invention. Figure 3 This is a schematic diagram of the assembly of the three-way pipe and the solenoid valve in the thin oil lubrication return oil control mechanism of this utility model. Figure 4 This is an assembly diagram of the clamping plate, lower semi-circular ring, and oil collection box in a thin oil lubrication return oil control mechanism of this utility model. In the picture: 1. T-joint; 2. Positioning plate; 3. Return pipe connector; 31. Clamping nut; 4. First return hose; 41. First threaded connector; 5. Solenoid valve; 51. Connecting seat; 52. Connecting column; 6. Second return hose; 61. Second threaded connector; 7. Oil collection box; 71. Clamping plate; 72. Protrusion; 73. Hanging plate; 74. Oil drain pipe; 75. Threaded cap; 76. Limit screw; 77. Notch; 78. Upper semi-circular ring; 79. Lower semi-circular ring. Detailed Implementation

[0016] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0017] Please see Figures 1-3This utility model provides a technical solution: a thin oil lubrication return oil control mechanism, including a three-way pipe 1, a return pipe connector 3 installed at one end of the three-way pipe 1, two first return oil hoses 4, each connected to the two ends of the three-way pipe 1 without the return pipe connector 3, two solenoid valves 5, each installed at the end of the two first return oil hoses 4 furthest from the three-way pipe 1, and two second return oil hoses 6, each connected to the end of the two solenoid valves 5 furthest from the first return oil hoses 4. The two first return oil hoses 4 are connected to both ends of the three-way pipe 1, and each end corresponds to one solenoid valve 5 and one second return oil hose 6, forming two independent return oil paths. The return oil status of different branches can be flexibly adjusted by individually controlling the on / off state of the two solenoid valves 5.

[0018] See Figures 1-4 A lower semi-circular ring 79 is fitted onto the valve body of a solenoid valve 5. An upper semi-circular ring 78, which mates with the lower semi-circular ring 79, is fitted onto the valve body of the solenoid valve 5. Upper lugs are fixed to both ends of the upper semi-circular ring 78, and lower lugs are fixed to both ends of the lower semi-circular ring 79. The upper lugs are connected to the lower lugs by bolts. A hanging plate 73 is fixed to the outer surface of the lower semi-circular ring 79, and the lower end of the hanging plate 73 is fixed to the oil collection box 7. The upper semi-circular ring 78 and the lower semi-circular ring 79 are tightly fitted onto the valve body of the solenoid valve 5 via the upper and lower lugs and bolts. The hanging plate 73 rigidly connects the oil collection box 7 to the ring structure, completing the assembly of the oil collection box 7 and the solenoid valve 5.

[0019] During installation, first, the lower semicircular ring 79 is fitted onto the valve body of the solenoid valve 5, and then the upper semicircular ring 78 is correspondingly fastened to the other side of the valve body. Subsequently, the upper lugs at both ends of the upper semicircular ring 78 and the lower lugs at both ends of the lower semicircular ring 79 are used in conjunction with bolts to secure them tightly. After the bolts pass through the upper and lower lugs and are tightened, a stable clamping force is generated, ensuring that the ring structure is firmly fixed to the valve body of the solenoid valve 5. At the same time, the hanging plate 73 fixed to the outer surface of the lower semicircular ring 79 is rigidly connected to the oil collection box 7, which can control the installation height and horizontal position of the oil collection box 7, so that it is exactly below the interface of the solenoid valve 5 and the first return oil hose 4 and the second return oil hose 6, forming a complete coverage of the interface area and laying a solid positional foundation for subsequent residual oil collection.

[0020] When solenoid valve 5 needs to be disassembled for repair or replacement due to malfunction, the operator must first disconnect the interfaces of the first return hose 4 and the second return hose 6 from solenoid valve 5. At this time, the thin lubricating oil that has not completely returned in the first return hose 4, the thin lubricating oil that remains in the second return hose 6, and the thin lubricating oil remaining in the valve body cavity of solenoid valve 5 will flow downwards naturally due to the loss of pipeline constraint. The oil collection box 7, located directly below the interface, can quickly collect all the dripping residual oil, preventing oil from directly contacting the equipment surface and causing oil stains to adhere, or dripping onto the ground and forming oil stains that are difficult to clean, thus fundamentally solving the problem of a dirty working environment caused by traditional disassembly methods.

[0021] An oil drain pipe 74 is installed at the bottom of the oil collection box 7. A threaded cap 75 is threaded to the lower end of the oil drain pipe 74. When the residual oil is collected to a certain amount, simply unscrew the threaded cap 75 to drain the residual oil in the oil collection box 7 through the oil drain pipe 74.

[0022] See Figures 1-3 Two connecting posts 52 are installed on the outer surface of the valve body of the solenoid valve 5. A connecting seat 51 is provided on one side of the valve body of the solenoid valve 5. The connecting seat 51 is connected to the solenoid valve 5 by screws. The connecting seat 51 is installed on the support carrier to restrict the position of the solenoid valve 5. A positioning plate 2 is fitted on the return pipe connector 3. Fixing holes are opened at the four corners on one side of the positioning plate 2. Clamping nuts 31 are provided on both sides of the positioning plate 2. The clamping nuts 31 are threadedly connected to the return pipe connector 3. The clamping nuts 31 restrict the relative position of the positioning plate 2 and the return pipe connector 3. The positioning plate 2 is installed on the support carrier to restrict the position of the return pipe connector 3.

[0023] See Figures 1-4 Two clamping plates 71 are symmetrically installed on the upper surface of the oil collection box 7. A notch 77 is opened at the upper part of one side of the clamping plate 71. The end of the first return oil hose 4 near the solenoid valve 5 and the end of the second return oil hose 6 near the solenoid valve 5 are respectively inserted into the two notches 77. Two protrusions 72 are installed on the back of each clamping plate 71. The two protrusions 72 on one clamping plate 71 are symmetrically arranged about the notch 77. A screw hole is opened on one side of the protrusion 72. A limit screw 76 is connected to the screw hole. A first threaded connector 41 is installed at both ends of the first return oil hose 4, and a second threaded connector 61 is installed at both ends of the second return oil hose 6. The diameter of the first threaded connector 41 and the diameter of the second threaded connector 61 are both larger than the width of the notch 77. The two clamps 71 on the oil collection box 7 engage the first return oil hose 4 and the second return oil hose 6 near the solenoid valve 5 through the notch 77. Together with the limiting screw 76 on the protrusion 72, they can limit the position of the first return oil hose 4 and the second return oil hose 6, preventing the first return oil hose 4 and the second return oil hose 6 from shifting or falling off from the oil collection box 7.

[0024] Although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A thin oil lubrication return oil control mechanism, characterized in that, include: T-shaped pipe (1); Return pipe connector (3) is installed at one end of the tee pipe (1); The first return oil hose (4) is provided in two parts, and the two first return oil hoses (4) are respectively connected to the two ends of the three-way pipe (1) without the return pipe joint (3) installed; There are two solenoid valves (5), and the two solenoid valves (5) are respectively installed at the ends of the two first return oil hoses (4) away from the three-way pipe (1); The second return oil hose (6) is provided in two parts. The two second return oil hoses (6) are respectively connected to the ends of the two solenoid valves (5) away from the first return oil hose (4). The oil collection box (7) is connected to the valve body of a solenoid valve (5) via a connector.

2. The thin oil lubrication return oil control mechanism according to claim 1, characterized in that: The connector includes a lower semi-circular ring (79). The valve body of one of the solenoid valves (5) is fitted with the lower semi-circular ring (79). The upper side of the lower semi-circular ring (79) is provided with an upper semi-circular ring (78) that cooperates with the lower semi-circular ring (79). The upper semi-circular ring (78) is fitted on the valve body of the solenoid valve (5). The two ends of the upper semi-circular ring (78) are connected to the two ends of the lower semi-circular ring (79) by bolts. A hanging plate (73) is fixedly connected to the outer surface of the lower semi-circular ring (79). The lower end of the hanging plate (73) is fixedly connected to the oil collection box (7).

3. The thin oil lubrication return oil control mechanism according to claim 2, characterized in that: Both ends of the upper semicircular ring (78) are connected and fixed with upper support ears, and both ends of the lower semicircular ring (79) are connected and fixed with lower support ears. The upper support ears are connected to the lower support ears by bolts.

4. The thin oil lubrication return oil control mechanism according to claim 2, characterized in that: Two clamps (71) are symmetrically installed on the upper surface of the oil collection box (7). A notch (77) is opened at the upper part of one side of the clamp (71). The first return oil hose (4) near the solenoid valve (5) and the second return oil hose (6) near the solenoid valve (5) are respectively inserted into the two notches (77).

5. The thin oil lubrication return oil control mechanism according to claim 4, characterized in that: Two protrusions (72) are installed on the back of both clamps (71). The two protrusions (72) on one clamp (71) are symmetrically arranged about the notch (77). A screw hole is provided on one side of the protrusion (72), and a limit screw (76) is connected to the screw hole.

6. The thin oil lubrication return oil control mechanism according to claim 5, characterized in that: Both ends of the first return hose (4) are equipped with a first threaded connector (41), and both ends of the second return hose (6) are equipped with a second threaded connector (61). The diameter of the first threaded connector (41) and the diameter of the second threaded connector (61) are both greater than the width of the notch (77).

7. The thin oil lubrication return oil control mechanism according to claim 1, characterized in that: An oil drain pipe (74) is installed at the bottom of the oil collection box (7), and a threaded cap (75) is threadedly connected to the lower end of the oil drain pipe (74).

8. The thin oil lubrication return oil control mechanism according to claim 1, characterized in that: Two connecting posts (52) are installed on the outer surface of the valve body of the solenoid valve (5). A connecting seat (51) is provided on one side of the valve body of the solenoid valve (5). The connecting seat (51) is connected to the connecting seat (51) by screws.

9. The thin oil lubrication return oil control mechanism according to claim 1, characterized in that: The return pipe connector (3) is fitted with a positioning plate (2). The positioning plate (2) has four corner holes on one side. The positioning plate (2) has clamping nuts (31) on both sides. The clamping nuts (31) are threadedly connected to the return pipe connector (3).

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